{"id":2258684,"url":"https://alion.io/job/gft-technologies-senior-data-engineer-oracle","title":"Senior Data Engineer (Oracle)","company":{"id":51689,"name":"GFT Technologies","domain":"gft.com","url":"https://alion.io/company/gft-technologies","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"SuccessFactors","truth_index":null},"role":"Data Science","role_family":"Data Science","seniority":"senior","employment_type":null,"work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Poznań, Poland"],"countries":["PL"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":14600,"max":22300,"currency":"PLN","period":"month","gross":true,"usd_annual":68460},"salary_estimate":null,"experience_years_min":6,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Oracle","optional":false},{"name":"SQL","optional":false}],"status":"live","first_seen_at":"2026-09-30T00:00:00Z","employer_posted_date":"2026-09-30","last_verified_at":"2026-10-12T01:02:06Z","board_verified":true,"closed_at":null,"days_open":12,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":12},"description":"Contract of employment\nSalary range: 14600 - 22300 PLN gross\nWe are looking for a Senior Oracle Engineer with around 6years of experience and strong expertise in advanced Oracle PL/SQL development, database performance tuning, and optimization.\nYou will join a team responsible for onboarding and integrating new data feeds from upstream systems into the internal source database. The role combines hands-on development with end-to-end feature ownership, testing, performance optimization, and close collaboration with other technical teams.\nYour duties:\nDesign, develop, and maintain advanced Oracle PL/SQL solutions.\n\nCreate and enhance complex packages, procedures, functions, and triggers.\n\nDiagnose and resolve complex database performance issues.\n\nAnalyze and optimize slow-running SQL queries and PL/SQL code.\n\nPerform database performance tuning and optimization in high-volume data environments.\n\nTake full end-to-end ownership of assigned features, from technical analysis and development through testing and delivery.\n\nPlan and execute comprehensive E2E testing to ensure the quality and reliability of delivered solutions.\n\nProactively collaborate with relevant stakeholders and technical teams to identify dependencies, gather required data, and resolve integration issues.\n\nSupport the onboarding and integration of new data feeds from upstream systems into internal databases.\n\nWork across the end-to-end data ingestion process, including data filtering, parsing, validation, transformation, and rejection handling.\n\nEnsure incoming data meets required quality, consistency, and structural standards before it is made available for further processing.\n\nRequirements:\nMin. 6 years of professional experience working with Oracle databases.\n\nStrong expertise in advanced PL/SQL development.\n\nHands-on experience developing complex packages, procedures, functions, and triggers.\n\nProven experience in database performance tuning and optimization.\n\nStrong ability to diagnose performance bottlenecks and optimize SQL queries and PL/SQL code.\n\nExperience working with high-volume databases and large datasets.\n\nExperience taking ownership of features throughout the entire development lifecycle.\n\nWillingness and ability to independently plan and execute E2E testing.\n\nStrong problem-solving and analytical skills.\n\nA proactive approach to cross-team collaboration.\n\nAbility to independently identify technical dependencies, gather relevant information, and resolve integration-related issues.\n\nGood communication skills and the ability to work effectively with multiple stakeholders.\n\nYou will join one of the teams responsible for onboarding and integrating new data feeds from upstream systems into the internal source database.\nThe project covers the complete data ingestion lifecycle, including:\nData filtering\n\nData parsing\n\nData validation\n\nData transformation\n\nRejection and exception handling\n\nThe team ensures that incoming data meets the required quality and structural standards before it is made available for further processing.\nThe resulting data serves as a foundational source for multiple applications and systems, making this project an important component of the organization's overall data infrastructure.\nWe offer:\nContact of employment\nHybrid work from one of our offices (Warsaw, Poznań, Łodź, Kraków, Wrocław) but we are also open for candidates from other locations who prefer working remotely.\nWorking in a highly experienced and dedicated team\nBenefit package tailored to your needs (medical, sport, lunch subsidy, life insurance, etc.)\nOnline training and certifications\nAccess to e-learning platform\nSocial events","description_format":"text","description_chars":3652,"description_truncated":false,"requirements":{"experience_years_min":6,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":["Hybrid work","Life insurance"],"hiring_locations":[{"name":"Poland","iso":"PL","kind":"country"}],"hiring_excludes":[],"relocation_offered":false,"industries":["IT Outsourcing & Dedicated Teams","Custom Software Development","AI Consulting & Integration","Cloud Consulting & 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